A princess star fairy named Sparkle lives up in the clouds in Castle WishStar. Her job is to grant wishes to children when they wish upon a star. But lately, she has been overwhelmed by the increasing number of wishes being made. So she asks for help and receives not one but five new star fairy helpers. But more troubles arise when they meet a little girl who is upset but cannot think of a wish to make her happy.

Inspector Gadget is a clumsy, dim-witted human cyborg detective with various bionic gadgets built into his body. Gadget stumbles around working the cases while his niece and dog do most of the investigating. Gadget's arch-nemesis is Dr. Claw, the leader of an evil organisation, known as "M.A.D."